. >>> the whereabouts of jimmy hoffa are going to remain a mystery, at least for now. roseville, michigan police say two soil samples don't show evidence of human remains. we've been telling you about this search prompted by a credible tipster who claimed a body was buried there around the time hoffa disappeared. he was the former teamsters boss who went missing in 1975 and declared dead seven years later. >>> it's been 425 days since the country lost its top credit rating. september sales were up, more than expected, up 13%. second-biggest purchase most americans make, everyone, is a car after their home. so that's a real sign of people feeling confident. >>> and now our third story "outfront." debate countdown, with 24 hours to go, both president obama and mitt romney are prepping for their wednesday night face-off in the ring. romney took a break with his debate partner, senator rob portman, to get lunch at a chipotle in denver today. chipotle is pretty good. while obama stepped out of debate camp in nevada to visit the hoover dam. that's neat too. with as many as 6